红四氮唑试剂稳定、药剂无毒,成本低廉。用红四氮唑测定种子生活力速度快、准确性高、技术操作简单,谷易掌握,很受群众欢迎。目前有些地区已广泛应用。具体做法是:首先将药粉配成0.1%至1%的水溶液(净水 PH 为中性),此范围内的浓度均可应用.一般浓度大,着色时间短,着色又深。溶液配好之后保存在茶色瓶内,防止见光分解。种子用刮脸刀片 Red tetrazolium reagent stability, non-toxic drugs, low cost. The determination of the seed viability with red tetrazolium fast, high accuracy, technical operation is simple, Gu Yi easy to grasp, very popular with the masses. At present, some areas have been widely used. The specific approach is: first, the drug is dubbed 0.1% to 1% aqueous solution (water purification PH is neutral), the concentration range can be applied. General concentration, coloring a short time, coloring and deep. After the solution is well preserved in a brown bottle to prevent visible light decomposition. Seed with a shaving blade